Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 299
... fossil record , there are seldom evenly graded series of fossils between old and young forms ( Chapter 12 ) . There are often reasons to believe that a fossil species is not the direct ancestor of a more recent species , but rather is a ...
... fossil record , there are seldom evenly graded series of fossils between old and young forms ( Chapter 12 ) . There are often reasons to believe that a fossil species is not the direct ancestor of a more recent species , but rather is a ...
Pagina 318
... fossil record . It is in the sedimentary rocks deposited in ages past that we find not only glimpses of the ancestry of living organisms , but the traces of innumerable others that strutted their hour and then were heard no more . The ...
... fossil record . It is in the sedimentary rocks deposited in ages past that we find not only glimpses of the ancestry of living organisms , but the traces of innumerable others that strutted their hour and then were heard no more . The ...
Pagina 404
... fossil record that rapid change is accompanied by speciation , it would be necessary to show that an unchanged ancestral form persists sympat- rically along with a modified descendant . Few if any such examples have been well documented ...
... fossil record that rapid change is accompanied by speciation , it would be necessary to show that an unchanged ancestral form persists sympat- rically along with a modified descendant . Few if any such examples have been well documented ...
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance